290 Bulletin 47, United States National Museum. 



Subgenus NOTROPIS. 

 474. NOTROPIS ARIOMMUS (Cope). 



Head 3| to 4J ; depth 4i to 5. D. 8 ; A. 9 ; scales 6-39-2; teeth 2, 4-4, 2. 

 Body stout, moderately elevated, somewhat compressed. Head heavy, 

 broad above, the snout moderate, somewhat decurved. Mouth moderate, 

 oblique, the jaws equal, the upper lip on level of pupil, the maxillary 

 reaching the front of eye. Eye very large, 2| in head, much longer than 

 snout, larger than in any other of the American CyprinidsB, except N. 

 swaini. Fins moderate, the dorsal almost directly opposite ventrals. 

 Scales large, 15 in front of dorsal. Lateral line much decurved. Oliva- 

 ceous ; scales above dark -edged ; sides and below bright silvery ; no red. 

 Length 5 inches. Ohio and Tennessee valleys, generally rare, but abund- 

 ant about Indianapolis ; Greensburg, Kentucky ; and Florence, Alabama. 

 A handsome species, (apt-, an intensive particle; bjifia, eye.) 



Photogenis wiommus, COPE, Cypr. Penn., 378, 1866, "White River, near Indianapolis. 

 Minnilus ariommus, JORDAN & GILBERT, Synopsis, 194, 1883. 



475. NOTROPIS SCABRICEPS (Cope). 



Head 4; depth 4J ; eye very large, 3 in head, longer than snout. D. 8; 

 A. 8; scales 6-38-3; teeth 2, 4-4, 2. Body rather stout, little compressed, 

 the back slightly elevated, the form as in Hybopsis amblops. Head rather 

 short and broad, the muzzle bluntish, somewhat decurved. Mouth mod- 

 erate, terminal, little oblique, the jaws subequal, the maxillary reaching 

 front of orbit. Lateral line not much decurved. Fins rather small ; dor- 

 sal inserted over ventrals. Color plain olivaceous ; scales dark-edged 

 above ; sides white, with a lateral band formed of dusky specks, this band 

 running through the eye around the snout. Males tuberculate in spring. 

 Smaller than N. ariommus and less silvery. Kanawha Eiver, scarce; not 

 yet recognized elsewhere, (scaber, rough ; -ceps, head.) 



Photogenis scdbriceps, COPE, Proc. Ac. Nat. Sci. Phila., 1867, 166, Sinking Creek, Walker's 



Creek, tributaries of Kanawha River. (Coll. Cope.) 

 Minnilus scabriceps, part, JORDAN & GILBERT, Synopsis, 194, 1883; confused with N. shumardi. 



476. NOTROPIS JEJUNUS (Forbes). 



Head 4 ; depth 4 ; eye rather large, 3f in head, equal to snout, less than 

 interorbital space. D. 8 ; A. 7 ; scales 5-37-3 ; teeth 2, 4-4, 1. Body rather 

 slender; head flattish above, the snout blunt and rounded ; mouth rather 

 large, oblique. Dorsal over ventrals ; 16 scales before dorsal. Color pale, 

 with a broad silvery lateral band overlying a plumbeous shade ; dorsal 

 sometimes punctulate. Length 3 inches. Western Pennsylvania to Kan- 

 sas, and north to Winnipeg; not rare, (jejunus, hungry.) 



Episema jejuna, FORBES, Bull. Ills. Lab. Nat. Hist., n, 60, 1878, Illinois River. (Coll. Forbes.) 

 Minnilus jejunus, JORDAN & GILBERT, Synopsis, 194, 1883. 



477. NOTROPIS SWAINI, Jordan. 



Head 4- ; depth 4|- ; eye very large, 2 in head, half longer than the 

 bluntish snout. D. 9; A. 8 or 9; scales 6-35 to 38-3, 14 before dorsal; 

 teeth 1, 4-4, 2, or 1, with very narrow grinding surface or none. Body 



